vjw0rm | feba41fa23a73bb4435af1d106f8708c407cab64cb02427ff188d7758879cc4b

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 15:47

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General

Target

sample.js
Size

28KB
MD5

b0568396b4ae8ac7ae6a8ceffae96bda
SHA1

02618eb78c56b57c39467bf329cecced2dc94279
SHA256

8479772dd8315eb3d9fe1c56592059bba27af48469c41ecfefab5f236d41e5f9
SHA512

831028a4fc7f2d47b4117835e3ba64cca79eb6ec90112e67da4d0ad3dad21e9652c6905fd77a6f3e5e99495bb2b8a5b1be8a0548bf116e07c8c6a11ddb778e78
SSDEEP

192:t7kI+DpAeNhiZfSZOMS1drwOfv1AZp4Xrit8p7Xj7V4h14nwq4SGaMaCh43yLqW6:t7kIcpAeNhiBTrdtCeJWCPDl

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 6 IoCs

flow	pid	Process
5	3832	wscript.exe
22	3832	wscript.exe
36	3832	wscript.exe
40	3832	wscript.exe
43	3832	wscript.exe
47	3832	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sample.js	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WMDQPHWOLO = "\"C:\\Users\\Admin\\AppData\\Roaming\\sample.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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